Windows 7 logo on blue

1920 × 1200

Red letter O logo

1600 × 1200

Red Letter O — Neutral

2560 × 1920

Red letter O on black background

1920 × 1200

Superman logo with red light

1920 × 1080

red symbol logo

1600 × 900

red abstract logo on black

1920 × 1200

red symbol logo

1920 × 1080

ThunderCats logo in red

1680 × 1050

blue glowing text logo

1920 × 1200

Windows logo on blue background

1920 × 1200

Apple logo on dark blue

1600 × 1000